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    <TITLE>package org.opengis.filter.identity</TITLE>
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    An <CITE>Identifier</CITE> indicates object identity requested during data query or reference.
    
    The following is adapted from the following specifications:
    <ul>
    <li><A HREF="http://portal.opengeospatial.org/files/?artifact_id=8340">OpenGIS&reg; Filter Encoding Implementation Specification Version 1.1</a>
    <li><A HREF="http://portal.opengeospatial.org/files/?artifact_id=5929">OpenGIS&reg; Catalogue Service Implementation Specification 2.0.1</a>
    </ul>

    <H3>Catalog and Web Feature Server</H3>
    <P ALIGN="justify">Both the Catalog and Web Feature Server specifications use specific identifiers (like FeatureId)
    during their requests and responses.</P>
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